Introduction to Matter

Front

What type of bond forms when atoms combine?

Back

Chemical bond.

Front

Why do astronauts weigh less on the moon than on Earth?

Back

Gravity is stronger on Earth than it is on the moon.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

Which block in a density diagram typically represents the greatest density?

Back

The block labeled 'C' represents the greatest density.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

How does temperature affect the state of matter?

Back

Increasing temperature can cause solids to melt into liquids and liquids to evaporate into gases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4